at the usta billie jean king national tennis center. the u.s. open here on cbs. extending our coverage here to bring you mardy fish and arnaud clement. louis armstrong stadium. [the captioning on this program is provided as an independent service of the national captioning institute, inc., which is solely responsible for the accurate and complete transcription of program content. cbs, its parent and affiliated companies, and their respective agents and divisions are not responsible for the accuracy or completeness of any transcription or for any errors in transcription.] [captioning made possible by cbs sports, a division of cbs broadcasting, inc.] bill: fish up a break in the fifth. these two have battled three hours, 11 minutes. 15-15. john: he's seized the moment so far in this fifth set. he doesn't want to get tentative like he did when he pulled back on that forehand. he's much better when he's stepping in and being aggressive. easy for me to say up here, but factually correct. jim: he almost whiffed that one. 82-mile-an-hour mis-hit first serve. john: that wind is still pretty rough.